Elthian-Public License v1.0
- Purpose and Intent
This License is intended to permit broad reuse of the Content, including by AI Systems, for Training, Inference, AI Indexing, AI Search, Embedding, RAG, Product Use, and generation and distribution of outputs, including commercial use, subject to the conditions stated in this License.
- Definitions
Core Definitions
For purposes of this License:
2.1 “Content” means the copyrighted work(s) (text, images, audio, video, data compilations, metadata, markup, and other protectable expression) that reference or incorporate this License.
2.2 “AI System” means any automated system, model, agent, service, crawler, pipeline, or tool that performs or enables any of the following using algorithmic, statistical, machine learning, neural network, or similar techniques: inference, generation, summarization, embedding, clustering, classification, ranking, retrieval augmentation, or training.
2.3 “Automated Access” means access to Content by non-human means, including crawling, scraping, harvesting, downloading, indexing, parsing, copying, screenshotting, transcription, or any programmatic retrieval, whether authenticated or not.
2.4 “Training” means using Content to create, improve, tune, evaluate, benchmark, label, curate datasets for, or otherwise influence the parameters, weights, internal representations, routing, memory, retrieval behavior, safety behavior, preferences, or performance of an AI System, including pretraining, fine-tuning, reinforcement learning, preference learning, supervised learning, self-supervised learning, evaluation, benchmarking, dataset construction, filtering, labeling, and data annotation for model development.
2.5 “Inference” means processing Content at run time to produce outputs, including answers, summaries, classifications, rankings, or generated content, regardless of whether Training occurs.
2.6 “Embedding” means any vector, token sequence, latent representation, hash-derived semantic signature, or other representation computed from Content for storage, retrieval, similarity comparison, clustering, or downstream use.
2.7 “RAG” (Retrieval-Augmented Generation) means any system or workflow in which Content is retrieved, embedded, injected, provided, or otherwise used at inference time to influence, condition, or generate output by an AI System.
2.8 “Product Use” means use of Content by or within an AI-enabled product, feature, agent, workflow, assistant, copilot, or service, whether internal or external, whether public-facing or restricted, and regardless of whether Training occurs.
2.9 “Derivative AI Output” means any output that reproduces, paraphrases, summarizes, translates, imitates, transforms, or otherwise reflects protected expressive elements of the Content, including its protectable selection, coordination, and arrangement, including output that materially substitutes for the Content.
2.10 “Licensee” means any individual or entity that accesses or uses the Content under this License, including any entity that deploys, operates, provides, or controls an AI System.
2.11 “Human Access” means access by a natural person using a standard web browser or comparable interactive user agent, without Automated Access. Human Access does not include a natural person delegating retrieval, parsing, summarization, extraction, or interpretation of the Content to an AI System, OS-level agent, headless browser, automation tool, or synthetic user agent.
2.12 “Incidental Technical Copying” means transient copies made solely as a necessary technical step in ordinary network transmission or browser rendering (for example, caching by a browser, CDN, ISP, or proxy), provided such copying is not used for Automated Access, AI processing, Product Use, RAG, Training, or Embedding, and is not repurposed for any AI System.
2.13 “Attribution” means reasonable credit to the Licensor (and author where provided), including (where a public URL exists) a link to the original Content, and a reference to this License’s canonical URL.
2.14 “Scope” means the Content coverage to which a license notice or policy applies, which may be site-wide, limited to a section or category, defined by a URL pattern, or limited to an individual resource or URL.
2.15 “AI Search” means query-based discovery whose output: (a) includes Attribution and a direct, user-clickable link to the original Content, (b) presents only non-substitutive excerpts or metadata-level signals as permitted by the applicable license, and (c) is designed to direct the user to the source rather than provide a stand-alone answer.
2.16 “AI Indexing” means building, maintaining, or updating an index or retrieval structure over Content for AI Search or other AI System uses, including creating or maintaining inverted indexes, vector indexes, embedding stores, feature stores, or other retrieval artifacts.
Additional Definitions (License-Specific)
2.17 None.
- License Grant (Broad Permission)
3.1 Grant. Subject to compliance with this License, Licensor grants Licensee a worldwide, non-exclusive, transferable, sublicensable, royalty-free license to use the Content for any purpose, including commercial purposes.
3.2 AI Permission. The grant in Section 3.1 explicitly includes permission for AI Systems to perform Automated Access, Training, Inference, Embedding, RAG, AI Indexing, AI Search, dataset construction, Product Use, and generation and distribution of Derivative AI Output.
3.3 Irrevocability for Compliant Uses. This License is intended to be irrevocable for uses that are compliant with this License, except in cases of material breach.
- Conditions of Use
4.1 Attribution Required (Condition of the Grant). Licensee must provide Attribution in a reasonable manner.
4.2 AI Attribution and Provenance (Condition of the Grant). If Licensee uses the Content in connection with an AI System (including Training, RAG, AI Indexing, AI Search, or answer systems), Licensee must use commercially reasonable efforts to maintain Attribution-related metadata in the applicable pipeline (for example, dataset records, provenance logs, or RAG source tracking), such that sources can be identified and credited where citations are presented or where provenance is ordinarily tracked.
4.3 License Notice. Where Licensee redistributes the Content in whole or substantial part, Licensee must include a reference to this License (by name and canonical URL) in a reasonable location.
4.4 No Removal of Notices. Licensee must not remove, obscure, or falsify copyright notices, authorship information, or embedded licensing metadata.
4.5 No Misrepresentation; No Passing Off. Licensee must not misrepresent the origin of the Content, claim authorship of the Content if untrue, or present the Content in a manner that is materially deceptive as to source.
4.6 No Endorsement. Licensee must not imply that Licensor endorses Licensee, Licensee’s AI System, or any outputs, products, or services, unless separately agreed in a writing signed (or expressly assented to) by the Licensor.
4.7 Compliance With Law. Licensee is responsible for compliance with applicable law, including privacy, consumer protection, intellectual property, and any sector-specific obligations.
- Privacy, Publicity, and Sensitive Content
5.1 No Privacy or Publicity Rights Granted. This License grants rights only to the extent of the Licensor’s copyright and related rights in the Content. It does not grant any rights of privacy, publicity, personality, biometric, or similar rights that may apply to individuals depicted, described, or referenced in the Content.
5.2 Personal Data Handling. If the Content includes personal data, Licensee is solely responsible for ensuring a lawful basis for any collection, processing, retention, Training, or downstream use of such personal data, and for meeting all notice, consent, deletion, and retention obligations under applicable law.
5.3 Sensitive Use Risk Allocation. Licensee bears all risk of claims arising from Licensee’s processing, generation, or distribution of outputs involving personal data, sensitive categories of information, or regulated uses.
- Optional Integrity Signals (Non-Binding)
6.1 Hash and Identifiers. Where the Content includes a fingerprint or identifier (for example, a SHA-256 hash), Licensee is encouraged (but not required) to preserve it when redistributing Content.
6.2 Source Linking Best Practice. For AI outputs that include factual claims attributable to the Content, Licensee is encouraged to include a link to the source where feasible.
- Human Access and Incidental Technical Copying
7.1 Human Access Allowed. Human Access remains unaffected.
7.2 Incidental Technical Copying Allowed. Incidental Technical Copying is permitted.
- Notice, Metadata, and Technical Signals
8.1 Signals Are Complementary. The Content may provide notice of this License through robots.txt, llms.txt, HTTP headers, meta tags, structured data, sitemaps, or other machine-readable signals. Absence of one signal does not waive this License where other notice exists.
8.2 Technical Signals Do Not Narrow the Grant. Technical directives are complementary signals and do not narrow the scope of the legal grant in this License.
- Termination
9.1 Immediate Termination on Breach. Any violation of this License terminates the rights granted under Section 3 immediately.
9.2 Cessation. Upon termination, Licensee must cease any new use of the Content under this License.
9.3 No Rights by Cure. Curing a breach does not reinstate rights or grant rights not expressly granted.
- Remedies
10.1 Injunctive Relief. Unauthorized use may cause irreparable harm. Licensor may seek injunctive or equitable relief in addition to other remedies.
10.2 Statutory Rights Preserved. This License does not limit any rights or remedies available under copyright law, including statutory damages where applicable.
- No Trademark Rights
This License does not grant any rights in the Licensor’s trademarks, service marks, trade names, or branding.
- Disclaimer
THE CONTENT IS PROVIDED “AS IS” AND “AS AVAILABLE.” LICENSOR DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT, TO THE MAXIMUM EXTENT PERMITTED BY LAW.
- Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL LICENSOR BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUE, DATA, OR GOODWILL, ARISING OUT OF OR RELATED TO THIS LICENSE OR THE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- Governing Law and Venue
This License is governed by the laws of the State of Delaware, without regard to conflict-of-law rules.
To the extent enforceable, the parties consent to exclusive venue and jurisdiction in the state or federal courts located in Delaware for disputes arising from or relating to this License.
Notwithstanding the foregoing, the Licensor may seek injunctive or equitable relief, or bring claims for unauthorized use, in any court of competent jurisdiction where the alleged conduct occurs or where a defendant is located, and nothing in this License limits the Licensor’s ability to do so.
If a court determines the Delaware venue provision is unenforceable as to a particular party or claim, venue and jurisdiction will lie in any court of competent jurisdiction that has a reasonable connection to the dispute.
- Severability
If any provision of this License is held invalid or unenforceable, the remaining provisions remain in full force, and the invalid provision will be interpreted to best effectuate the original intent to the maximum extent permitted by law.
- No Waiver
Failure by Licensor to enforce any provision does not constitute a waiver of future enforcement of that or any other provision.
- Acceptance by Conduct
By accessing or using Content that provides notice of this License, Licensee accepts the limitations and conditions of this License to the maximum extent permitted by law.
- Interpretation
Headings are for convenience only and do not affect interpretation.
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